One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The first declared National Monument in the United States.

An exotic wildlife habitat right off The Strip.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

This erect, phallic geological spire wasn't always named so domestically.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

European castle ruins in an American state park are actually the product of death and grief.

Millions of dollars worth of sculpture decorate this Iowa city center.

An eclectic assortment of medieval architecture in a small Iowa town.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

Limestone caves with spectacular showcase chambers.

A spiritual vortex among the red rocks in Sedona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The drama of nature in full effect in this Nevada State Park.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

A fitting attraction for the corn capital of the world.